math

The bottom of the ladder is 5 feet tall from the wall. the ladder is 13 feet long. about how high is the wall?

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  1. Time for the Pythagorean theorem since you're looking at a right-angle triangle.

    a^2 + b^2 = c^2

    5^2 + b^2 = 13^2

    25 + b^2 = 169

    b^2 = 169 - 25

    b^2 = 144

    b = 12

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    Ms. Sue
  2. THANCK YOU SO MUCH!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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  3. You're very welcome.

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    Ms. Sue

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